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Esophageal Sphincter, Upper

"Esophageal Sphincter, Upper" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

expand / collapse MeSH information
The structure at the pharyngoesophageal junction consisting chiefly of the CRICOPHARYNGEUS MUSCLE. It normally occludes the lumen of the ESOPHAGUS, except during SWALLOWING.


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This graph shows the total number of publications written about "Esophageal Sphincter, Upper" by people in this website by year, and whether "Esophageal Sphincter, Upper" was a major or minor topic of these publications.
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